| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1740.0 | USD | 20190901 |
| Unknown | China national standards | MT | 60.0 | USD | 20190901 |
| Unknown | China national standards | MT | 580.0 | USD | 20190901 |
| Unknown | China national standards | MT | 12140.0 | USD | 20190901 |
| Unknown | China national standards | MT | 6260.0 | USD | 20190822 |
| Unknown | China national standards | MT | 50.0 | USD | 20190821 |
| Unknown | China national standards | MT | 1930.0 | USD | 20190818 |
| Unknown | China national standards | MT | 13260.0 | USD | 20190816 |
| Unknown | China national standards | MT | 13260.0 | USD | 20190814 |
| Unknown | China national standards | MT | 370.0 | USD | 20190814 |